﻿<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <title>动态添加一个文本框</title>
    <script>
	
        function addText() {
            var txt = document.createElement("input");
            txt.type = "text";
            txt.name = "txt";
            txt.value = "动态添加的文本框";
            document.fm1.appendChild(txt);
        }
    
    </script>
</head>
<body>
    <form name="fm1">
        <input type="button" name="btn1" value="动态添加文本框" onclick="addText();" />
    </form>
</body>
</html>